With the development of educational informatization, the recording and broadcasting classroom has become one of the important configurations of colleges and universities. It provides strong support for recording and storing wonderful courses, academic reports and other important contents, and effectively improves the quality of teaching. Recently, we visited China Civil Aviation. The college, experience two professional recording and recording classrooms built here, they respectively applied the Sony w-EFP full wireless HD mobile program production system and Sony LRS automatic recording and broadcasting system, the effect is excellent.
User introduction
China Civil Aviation Flight Academy, referred to as China Aviation Academy (CAFUC), is located in the hinterland of Chengdu Plain - Guanghan City, Sichuan Province. It is the world's leading flight training institution and is known as the 'cradle' of Chinese civil aviation pilots. 'Huangpu'.
Mr. Wang, who is responsible for the multimedia content work, warmly received us. He said that the college attaches great importance to digital teaching, especially recording high-quality digital resources. Therefore, two recording and recording classrooms were built. During the semester, the length of the teaching courses is about 50-200 hours. In addition, the Department of Education attaches great importance to quality courses, coupled with high-definition trends and network speed-up, quality courses become mainstream.
demand analysis
When planning and constructing the recording and broadcasting classrooms, the college puts forward higher requirements for equipment. There are five main aspects: First, support automatic recording, improve work efficiency, and ensure content quality. Second, high image quality, and strive to record high definition. The color is accurate and the quality course. The third is wireless transmission, which makes the recording classroom more clean and tidy, and the image is high-end. The fourth is mobile, it can support the school evening, campus live broadcast and other activities. Fifth, the operation is simple, just a teacher can Easy to control shooting angle, screen switching, multi-window display and other operations.
According to the demand, the user conducted comprehensive research and strict screening, and finally chose Sony partner - Sichuan Huayue Digital Technology Co., Ltd., and Sony w-EFP 3000 full wireless HD mobile program production system and Sony LRS-1 automatic recording The system has created two high-quality recording and broadcasting classrooms. Its application experience and image effects fully meet the needs of the school and teachers. It has successfully completed the recording of several excellent courses and widely supported various campus activities.
On-site visit
We first came to the full wireless HD mobile program production classroom, where the Sony w-EFP 3000 full wireless high-definition mobile program production system was used. Three full HD cameras were arranged in front, middle and back of the classroom, respectively, to shoot the instructor close-up, forward Panoramic and backward panorama.
The host is behind the classroom, and is equipped with a Sony professional monitor. The video content of the three cameras is wirelessly transmitted to the host, and the recording screen is displayed simultaneously.
The system is equipped with a high-definition camera with a 17x professional HD zoom lens, the lens can be moved 290 degrees horizontally, the pitch is moved by ±90 degrees, the field of view is wide, and the face of the teacher or student can be closed. The whole process is remotely controlled by the host, easy to use. .
The program production host can be operated by a single person, including the selection and scheduling of the shooting position, picture processing, audio processing, recording monitoring and other steps can be completed intuitively.
All the equipment of the shooting position system are integrated in a column structure, which can be easily moved wirelessly and fixedly. The multiple shooting positions can be flexibly arranged to any position according to the environment of the program site to meet different shooting and framing needs.
The other classroom is a fully automatic recording and broadcasting system classroom equipped with the Sony LRS-1 automatic recording and broadcasting system. Two sets of a total of four PTZ cameras are installed in front of and behind the classroom. The shooting angle is fully covered, and the teacher can easily switch the viewing angle at any time. With vista / close shot.
The Sony PTZ camera is compact, powerful, and has excellent scalability, video and audio reproduction and professional quality for easy system integration.
The AWS-750 switcher is housed in a separate office that provides unique subtitles and scene effects for each class, and provides a powerful technology platform that allows teachers to create ideas and create more exciting course content.
Written at the end
Sony w-EFP full wireless HD mobile program production system, and LRS-1 automatic recording and broadcasting system to help teachers create wonderful recording content, wireless signal transmission, automatic recording, convenient operation and other advantages, so that teachers can easily control the recording process, for the campus Informatization construction helps.
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